File _servicedata of Package v4l2loopback

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/umlaeute/v4l2loopback</param>
              <param name="changesrevision">4f99388d491cd5c1155c0df88316bd22aae40d8c</param></service></servicedata>